I don't think i made the argument that it would maximise good, I was merely saying that it was NOT unethical (therefore neutral). There are three options:We weren't talking about legality; we were talking about ethics. To bring a new life into the world and then kill it in order to make room for another life - you were the one arguing that this might maximize the overall good i.e., more individuals having the opportunity to live. If you want to back away from that position, by all means do so, but don't pretend it wasn't the position you were taking.
1. Have a child and raise them until they die naturally (ethical)
2. Have a child and subjugate them to immense suffering (unethical)
3. Not have children (neutral, neither ethical, nor unethical)
4. Have a child and kill them painlessly and spontaneously.
Why is 3 different to 4? To question this is to question if and why we give life intrinsic value. I personally wouldn't kill animals painlessly, because we have no reason to.
However, if we believe that life therefore has value, shouldn't we apply this to the wild? One lion survives as a result of the destruction of up to 100 prey. How you respond to this also is telling of your opinion. Would you:
1. Find a way in which predator can kill prey painlessly
or 2. Find a way to painlessly eliminate the predator (and somehow control the population of prey).
I'm trying to think ethically, rather than practically.